/**
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. See accompanying LICENSE file.
*/
package org.apache.oozie.command.wf;
import org.apache.oozie.ErrorCode;
import org.apache.oozie.WorkflowActionBean;
import org.apache.oozie.command.CommandException;
import org.apache.oozie.executor.jpa.JPAExecutorException;
import org.apache.oozie.executor.jpa.WorkflowActionGetJPAExecutor;
import org.apache.oozie.util.ParamChecker;
import org.apache.oozie.service.JPAService;
import org.apache.oozie.service.Services;
public class WorkflowActionInfoXCommand extends WorkflowXCommand<WorkflowActionBean> {
private String id;
public WorkflowActionInfoXCommand(String id) {
super("action.info", "action.info", 1);
this.id = ParamChecker.notEmpty(id, "id");
LOG.debug("Command for workflow action " + id);
}
@Override
protected WorkflowActionBean execute() throws CommandException {
JPAService jpaService = Services.get().get(JPAService.class);
if (jpaService != null) {
WorkflowActionBean action;
try {
action = jpaService.execute(new WorkflowActionGetJPAExecutor(this.id));
}
catch (JPAExecutorException ex) {
throw new CommandException(ex);
}
return action;
}
else {
LOG.error(ErrorCode.E0610);
return null;
}
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#getEntityKey()
*/
@Override
protected String getEntityKey() {
return null;
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#loadState()
*/
@Override
protected void loadState() {
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#verifyPrecondition()
*/
@Override
protected void verifyPrecondition() throws CommandException {
}
@Override
protected boolean isLockRequired() {
return false;
}
}